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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

Air Testing & Leakage
We have a checklist you can download for Air Leakage Testing. If you follow our air tightness checklist, this will improve your likelihood to achieve a pass!
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Porthmadog - BS4142 - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: porthmadog@e2consultants.co.uk
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For further BS4142 information for your area, be sure to check out Sound-Testing-Wrexham.co.uk.
Our other services include:
BS4142 can also be known as:
Industrial Noise Survey, Commercial Industrial Noise Survey, Commercial BS8233 Noise Assessment and Noise Survey, Commercial Noise Survey For Residential Development, Building and Room Acoustics, BS8233 Noise Assessment and Noise Survey, Noise Survey For Residential Development, Environmental Noise Assessment, Commercial Noise Impact Assessment, Commercial Sound Testing Environmental Noise, Commercial Environmental Noise Assessment, Noise Impact Assessment, PPG24, Commercial PPG24, Commercial Building and Room Acoustics, Commercial BS4142, Sound Testing Environmental Noise,


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